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3 years ago

estimate time stuffing 150 envelopes with one insert, stamp, address label, return address label and sealing

Mathematics

2 answers:

Citrus2011 [14]3 years ago

6 0

About an hour an a half or maybe even 2 hours depends on the rate the person moves

Rzqust [24]3 years ago

3 0

Roughly around an hour and a half.

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- K2 - (2k –5n) + 9n; k= -1 and n= - 3

NNADVOKAT [17]

Answer:

$-41$

Step-by-step explanation:

Given:

$-k^2 -(2k -5n) +9n ; k = -1 \space \text{and} \space n = -3$

$-(-1)^2 -(2(-1) -5(-3)) +9(-3) \\ -(-1)^2 -(-2+15) +9(-3) \\ -(-1)^2 -(13) +9(-3) \\ -(1) -13 +9(-3) \\ -1 -13 -27 \\ -41$

7 0

3 years ago

Read 2 more answers

Find the area of the sector in<br> terms of pi.<br> 270°<br> 12<br> Area = [?]

stepan [7]

Answer:

[?] = 108

Step-by-step explanation:

$270^\circ$ is 3/4 of a whole revolution: $\frac{270^\circ}{360^\circ}=\frac{3}{4}$ so the area of the sector is 3/4 of the area of the entire circle.

Area of a circle: $A=\pi r^2$

Area of the sector: $\frac{3}{4} \pi (12^2)=\frac{3}{4}(144)\pi=108\pi$

8 0

3 years ago

Jose drove 380 miles using 14 gallons of gas. At this rate, how many gallons of gas would he need to drive 418 miles?

PSYCHO15rus [73]

Hey there,
380 miles = 14 gallons
1 miles = 14 / 380
= 7 / 190
418 miles = 7 / 190 x 418
= 15.4 gallons.

Hope this helps :))

~Top

6 0

3 years ago

A store is selling a TV for $389. This is %64 less than the regular price. What is the regular price?

nignag [31]

64% = $389
___ ____

100% X$ = Cross multiplication. (64x = 38900 = $607.81)

I rounded it.

Hope I become the brainliest answer.

4 0

3 years ago

Help me solve for A and B!

expeople1 [14]

Here we have one large triangle with two smaller triangles drawn inside. The two smaller triangles are similar.

Thus, a/12 = 12/16, or a/12 = 3/4, or 4a=36, or a = 9.

Find b in the same way: b/20 = 9/12 (and so on).

6 0

3 years ago